| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_af99df08b153738cd418446a75d09bfc |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B03D2203-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B03D2203-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B03D2201-02 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B03D1-01 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B03D1-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B03D1-01 |
| filingDate |
1991-06-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f64e5078c64200f760325c34a06c9cba |
| publicationDate |
1991-12-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CA-2045835-A1 |
| titleOfInvention |
Froth flotation of silica or siliceous gangue |
| abstract |
ABSTRACT Silica and siliceous gangue are separated from desired mineral values, particularly iron and phosphate, by reverse froth flotation in the presence of amine collectors and effective amounts of alkanol amines such as diethanol amine. C-38,666 |
| priorityDate |
1990-06-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |